| PON | Particulate Organic Nitrogen
| Others |
| PON | Passive Optical Network
| Others |
| PON | Passive Optical Networking
| Others |
| PON | Passive Optical Networks
| Others |
| PON | PhD Organisation Nijmegen
| Others |
| PON | Photos Of Nudists
| Others |
| PON | Pile O Nothin
| Others |
| PON | Plane of Nightmare
| Others |
| PON | Playing On Computer
| Others |
| PON | Polski Olwczark Nizinney (Polish Lowland Sheepdog)
| Others |
| PON | Polski Owczarek Nizinny
| Others |
| PON | Polski Owczarek Nizziny
| Others |
| PON | Ponape
| Others |
| PON | Pontiac, Michigan
| Others |
| PON | Port Order Number
| Others |
| PON | Power Of Nature
| Others |
| PON | Power of Needs
| Others |
| PON | Program On Negotiation
| Others |
| PON | Program Opportunity Notice
| Others |
| PON | Programma Operativo Nazionale
| Others |
| PON | Property Owner Notification
| Others |
| PON | Public Optical Network
| Others |
| PON | Pump Octane Number
| Others |
| PON | Purchase Order Number
| Others |
| PON | Python Object Notation
| Others |